Modular Approach of Precision Airdrop System SPADES

Wegereef, J. Wim; Space, Dutch; Jentink, H.W.

doi:10.2514/6.2007-2547

Cited by 5 publications

(2 citation statements)

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“…Analyzing the results of dozens of airdrops it can be stated that the most accurate systems can only achieve 100m-150m accuracy (excluding SPADES by Dutch Space 25 that assures about 40m-60m accuracy). More detailed analysis reveals that GNC systems developed by Charles Stark Draper Laboratory, [20][21][22][23][24] Georgia Tech [29][30][31] and others implement simple proportional-integral-derivative (PID) controllers to track the reference heading, which is assigned based on a combination of some logics and heuristic rules.…”

Section: -34mentioning

confidence: 99%

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Optimal Control for Terminal Guidance of Autonomous Parafoils

Slegers

Yakimenko

2009

20th AIAA Aerodynamic Decelerator Systems Technology Conference and Seminar

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This paper deals with the development of guidance, navigation and control algorithms for a prototype of a miniature aerial delivery system capable of high-precision maneuvering and high touchdown accuracy. High accuracy enables use in precision troop resupply, sensor placement, urban warfare reconnaissance, and other similar operations. Specifically, this paper addresses the terminal phase, where uncertainties in winds cause most of the problems. The paper develops a six degree-offreedom model to adequately address dynamics and kinematics of the prototype delivery system and then reduces it to a two degrees-of-freedom model to develop a model predictive control algorithm for reference trajectory tracking during all stages. Reference trajectories are developed in the inertial coordinate frame associated with the target. The reference trajectory during terminal guidance, just prior to impact, is especially important to the final accuracy of the system. This paper explores an approach for generating reference trajectories based on the inverse dynamics in the virtual domain. The method results in efficient solution of a two-point boundary-value problem onboard the aerial delivery system allowing the trajectory to be generated at a high rate, mitigating effects of the unknown winds. This paper provides derivation of the guidance and control algorithms and present analysis through simulation.

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Section: -34mentioning

confidence: 99%

“…So during the last decade, several GNC concepts for gliding parachute applications have been developed and published. [19][20][21][22][23][24][25][26][27][28][29][30][31] …”

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confidence: 99%

Optimal Control for Terminal Guidance of Autonomous Parafoils

Slegers

Yakimenko

2009

20th AIAA Aerodynamic Decelerator Systems Technology Conference and Seminar

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Dynamic Modeling and Simulation of Powered Parafoil Airdrop Process

Guo

Zhang

Feng

2017

2017 5th International Conference on Mechanical, Automotive and Materials Engineering (CMAME)

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A Review and Analysis of Existing Guided Precision Airdrop Systems

Vambol,

Kaluzhynov,

Barakhov

et al. 2023

Kosm. nauka tehnol.

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The development of airdrop systems for special landing sites of rocket-space techniques, such as rocket engines or boosters of the first stages of launch vehicles, which are salvageable or reusable, is an actual problem today. The traditional parachute systems don’t always provide the necessary accuracy for completing a flight task, and this significantly increases the risk of dangerous situations for civilians and infrastructure. The article is devoted to the study of the analysis of existing guided precision airdrop systems. The design features of various types of guided precision airdrop systems and their technical characteristics are consid- ered. The main advantages and disadvantages of the considered guided precision airdrop systems are determined. Based on the analysis, a typical design scheme has been developed for a typical representative of the family of guided precision airdrop systems. It is shown that the exploitation of experimental tests of the developed typical structural scheme with a physical dynamically similar model is the most effective and rational. A dynamically similar model has been developed for testing the automatic control system and for conducting experimental studies of the design of controlled systems for guided precision airdrop systems. The prospects for further research are discussed and aimed at developing a family of controlled systems for guided precision airdrop systems through the use of an experimental system for testing modifications to the layout and designs of the basic model using the principle of scaling according to the theory of similarity.

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Modular Approach of Precision Airdrop System SPADES

Cited by 5 publications

References 1 publication

Optimal Control for Terminal Guidance of Autonomous Parafoils

Optimal Control for Terminal Guidance of Autonomous Parafoils

Dynamic Modeling and Simulation of Powered Parafoil Airdrop Process

A Review and Analysis of Existing Guided Precision Airdrop Systems

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